Some useful links to help supplement with the vid: en.wikipedia.org/wiki/Border_Gateway_Protocol www.arin.net/resources/guide/asn/ en.wikipedia.org/wiki/Internet_exchange_point MikroTik BGP configuration Links: help.mikrotik.com/docs/display/ROS/BGP wiki.mikrotik.com/wiki/Manual:Routing/BGP wiki.mikrotik.com/wiki/Manual:BGP_HowTo_%26_FAQ wiki.mikrotik.com/wiki/Manual:Simple_BGP_Multihoming
Hi, I found your channel while learning about Mikrotik recently, and I thank you for providing lots of information on Mikrotik.... I've been labbing Mikrotik v7 (using the latest 7.4.1 CHR) recently, simulating eBGP and iBGP with RR setup, running on dualstack (v4 and v6), and i use loopbacks and next-hop-self for the iBGP peerings. Alas, its iBGP behaviour is unlike any other well-known router vendors. A few things that stick out immediately: 1) an iBGP speaker advertises its loopback address into BGP to its iBGP peer, even though we do not configure a network statement (i.e. address-list) for the loopback on the originating iBGP speaker. 2) the RR reflects the iBGP loopback addresses to all other iBGP speakers by changing its next-hop to itself. This does not cause any issue, because all loopbacks are learned via IGP (i use OSPF), which takes precedence. However, all eBGP routes are reflected correctly i.e. if an eBGP route is learned from an iBGP RR-client (and the next-hop is set to that iBGP RR-client), the RR will reflect the eBGP routes with the next-hop maintained to all other iBGP RR-clients. 3) since v7 no longer discard routes, and a RR reflects any routes learned from a iBGP peer to all other RR clients, including back towards the IBGP client that is advertising its learned eBGP routes, the iBGP RR client sees two sets of BGP routes for the same prefix (1 learned from its eBGP peer, another learned from the iBGP RR) Because of this behaviour, i had to build specific outgoing route-filters for every iBGP peer on the RR, to make the routing table clean on each iBGP peer....
Another shout out my master hehehe :) learned a lot on you thank you.. and ive been taking my mtcre by next week wish me luck and godbless my best sensei :)
Want to start my rant with a thank you for the video's i am a big fan of your work. The major issue a found which is a main reason I can't run this on my core routers as yet is the fact that you can not specify "none synchronized" networks such as in v6, this makes it very hard when you need to advertise to peers since an existing route needs to exist for that prefix in the routing table or it won't advertise kind of same as in cisco back in the day. not sure if it's still that way where it requires IGP first before a route is advertised (synchronized). I have filters setup on my lab to not advertise anything greater than a /24 so in this case I expected it to advertise X.X.X.X/24 and not assume it has to advertise X.X.X.X/32 witch is my loopback address for example since X.X.X.X/24 is the parent network in my prefix list it should be able to figure this out and advertise that maybe there is a way to set a prefix length when the dst is checked but feels like a lot more work than it was prior and feels like more complexity then is needed in simple setups. Maybe you guys have found a better way around this or my view on networking is entirely outdated.
looking forward to new stuff from you! love this channel ... and learnt some new stuff end gained more understanding to yet known things!! keep it up! this is awesome
I'd love to have you make some videos on starting a small WISP from scratch. Methods on how to 'link' with main supplier, L2, L3. Layout. How to setup core router to distribute internet. How to give clients shared or specific public IPs through PPPoE from your allocated public block range. And other ISP related stuff like monitoring, tips and tricks, best practices, legal requirements like here ICASA. Almost all videos on YT regarding this subject is in other languages, I could not find any usefull videos in English on this subject. Sal dit baie waardeer.
Can you do a video on connecting Mikrotik BGP to a Linux system running FRR? This should be simple but its proving virtually impossible to get Mikrotik and FRR to talk to each other. (ROS v7.2.3)
Thank you for all your videos. I have a off topic question. How did you get your winbox to display all text perfectly in Linux. I have been having issues with this for a very long time and cant seem to get it fixed.
I'll be honest, my winbox just looks like that. No special tweaking has been required from me, might be a distro or winbox issue for your distro, though I think it should all work the same if we're all using wine.
at 19:28 of the clip, you mentioned that in v7, "you can have a specific core to run incoming bgp...", how to do it ? I didn't find where to config it.
There are Input and Output Affinity values that you can tweak in the "Extras" tab of a BGP connection. You can read more about how the multi-core routing process works from here: help.mikrotik.com/docs/display/ROS/Routing+Protocol+Multi-core+Support
@@TheNetworkBerg Just wanna try it on my PC router box... does it need some high end router from mikrotik to use or apply this..with specific specs.. or hardware
They remain there for as long as your peer is advertising them. If the peer goes down or they implement a route filter to stop advertising something then you will stop receiving a route
The synchronize option does not exist in v7, there is however a workaround. You can read about it in this post on the MikroTik forums: forum.mikrotik.com/viewtopic.php?t=184856
